diff --git a/src/Routing/Route.php b/src/Routing/Route.php
index 7e1629e2..d81731a4 100644
--- a/src/Routing/Route.php
+++ b/src/Routing/Route.php
@@ -309,10 +309,6 @@ public function constructUrl(array $params, Nette\Http\UrlScript $refUrl): ?stri
 			]);
 		}
 
-		if (strpos($url, '//', 2) !== false) {
-			return null;
-		}
-
 		$url = $scheme . ':' . $url;
 
 		// build query string
diff --git a/tests/Route/optional.preferred.nested1.phpt b/tests/Route/optional.preferred.nested1.phpt
index 2c156e9a..906a65c9 100644
--- a/tests/Route/optional.preferred.nested1.phpt
+++ b/tests/Route/optional.preferred.nested1.phpt
@@ -38,4 +38,4 @@ testRouteIn($route, '/name', [
 	'page' => null,
 	'lang' => null,
 	'test' => 'testvalue',
-], null);
+], '//name?test=testvalue');